// ***********************************************************************
// Assembly         : Game
// Author           : Kimch
// Created          : 2020-09-02
// Description      :
// Last Modified By : 
// Last Modified On : 
// ***********************************************************************
// <copyright file= "EntityPortal" company="Kimch"></copyright>
// <summary></summary>
// ***********************************************************************
using UnityEngine;

namespace G
{
	/// <summary>
	/// 传送门
	/// </summary>
	public class EntityPortal : Entity
	{
		private Transform _arrow;
		private float _openDelay;
		private Collider _collider;

		public GameObject monsterFlag;
		public GameObject storyFlag;
		public GameObject bossFlag;

		public static EntityPortal Instance;

		public bool canOpen
		{
			get { return _collider.enabled; }
		}

		private void Awake()
		{
			_collider = GetComponent<Collider>();
			_arrow = transform.GetChild(0);
			_arrow.position = Vector3.one * 22f;
		}

		private void OnEnable()
		{
			Instance = this;

			_collider.enabled = false;
			_openDelay = 1.5f;
			string flag = name.Substring(5);
			if (int.TryParse(flag, out int stageId) && stageId > 0)
			{
				bossFlag.SetActive(false);
				var stage = ItemProxy.Instance.GetStaticItem<ItemStage>(stageId);
				if (stage.type == 3)
				{
					storyFlag.SetActive(true);
					monsterFlag.SetActive(false);
				}
				else
				{
					storyFlag.SetActive(false);
					monsterFlag.SetActive(true);
				}
			}
			else
			{
				storyFlag.SetActive(false);
				monsterFlag.SetActive(false);
				if (flag == "boss")
				{
					bossFlag.SetActive(true);
				}
			}
		}

		private void OnDisable()
		{
			Instance = null;
		}

		private void OnTriggerEnter(Collider other)
		{
			if (other.name == "cha1")
			{
				this.gameObject.SetActive(false);
				_arrow.position = Vector3.one * 22f;
				EntityMainPlayer.Instance.EnterPortal(transform.position);
			}
		}

		private void Update()
		{
			if (_openDelay > 0f)
			{
				_openDelay -= Time.deltaTime;
				if (_openDelay <= 0f)
				{
					_collider.enabled = true;
				}
			}

			Vector3 vector = transform.position - EntityMainPlayer.Instance.position;
			if (vector.sqrMagnitude < 0.3f * 0.3f)
			{
				_arrow.position = Vector3.one * 22f;
			}
			else
			{
				vector = vector.normalized;
				_arrow.rotation = Quaternion.LookRotation(vector);
				_arrow.position = EntityMainPlayer.Instance.position + Vector3.up * 0.02f + vector * 0.3f;
			}
		}
	}
}